Docker - Logging and Monitoring
To trigger an alert when a Docker container's health status changes to 'unhealthy', which Docker event should you monitor?
To trigger an alert when a Docker container's health status changes to 'unhealthy', which Docker event should you monitor?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand Docker events
Docker emits events with specific topics and statuses.Step 2: Identify health status event
The event 'container.health_status: unhealthy' is emitted when health changes to unhealthy.Final Answer:
container.health_status: unhealthy -> Option DQuick Check:
Listen for 'container.health_status: unhealthy' event [OK]
Quick Trick: Monitor 'container.health_status: unhealthy' event for alerts [OK]
Common Mistakes:
- Listening to generic 'container.die' event
- Using non-existent event names like 'container.unhealthy'
- Ignoring event status suffix
Master "Logging and Monitoring" in Docker
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